Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Johann, M. 1984. Zur Frage der Anlockung des Buchdruckers (Ips typographus L.) mit Fangbaumen oder Fallen. Unpublished dissertation, Forstl. Fakultat, Univ. Gottingen.
This page uses cascading style sheets (CSS). It should display correctly using current versions of all major browsers.